Home / 11,739.48-17,607.56-4,342.70

Finding the Fourth Proportional to 11,739.48, 17,607.56 and 4,342.70

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Solution

The fourth proportional to 11,739.48, 17,607.56 and 4,342.70 is: 6,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.48 : 17,607.56 = 4,342.70 : x
  2. Step 2: Convert to fraction form
    11,739.48/17,607.56 = 4,342.70/x
  3. Step 3: Cross multiply
    11,739.48x = 17,607.56 × 4,342.70
  4. Step 4: Simplify right side
    11,739.48x = 76,464,350.81
  5. Step 5: Solve for x
    x = 76,464,350.81/11,739.48
  6. Step 6: Final answer
    x = 6,513.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.